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Prof. Ahmed G. Radwan

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Posts in category: Journal

Encryption applications of a generalized chaotic map

2015Abd-El-Hafiz S.K.Abdel Haleem S.H.JournalRadwan A.G.

This paper presents the mathematical aspects of a generalized Sine map with arbitrary powers and scaling factor

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Controllable V-shape multiscroll butterfly attractor: System and circuit implementation

2012JournalRadwan A.G.Salama K.N.Zidan M.A.

In this paper, a new controllable V-shape multiscroll attractor is presented, where a variety of symmetrical and unsymmetrical attractors with a variable number of scrolls can be controlled using new staircase nonlinear function and the parameters of the system

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Fundamentals of fractional-order LTI circuits and systems: number of poles, stability, time and frequency responses

2016Hassan H.N.JournalRadwan A.G.Semary M.S.

This paper investigates some basic concepts of fractional-order linear time invariant systems related to their physical and non-physical transfer functions, poles, stability, time domain, frequency domain, and their relationships for different fractional-order differential equations

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Review of fractional-order electrical characterization of supercapacitors

2018Abdelkareem M.A.Allagui A.Elwakil A.S.Fouda M.E.Freeborn T.J.JournalMaundy B.J.Radwan A.G.Said Z.

The tests and calculation of the key performance metrics of supercapacitors including capacitance, power and energy stored are commonly reported by the academia and the industry based on formulæ valid only for ideal capacitors

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Memristor-based quinary half adder

2019Fouad A.H.JournalRadwan A.G.

This paper theorizes the possibilities of generalizing a memristor based ternary adder circuit, to a memristor based multi-valued logic adder

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Theory of fractional order elements based impedance matching networks

2011JournalRadwan A.G.Salama K.N.Shamim A.

Fractional order circuit elements (inductors and capacitors) based impedance matching networks are introduced for the first time

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Fractional-order impedance transformation based on three port mutators

2017JournalRadwan A.G.Soliman A.M.Soltan A.

Due to the importance of the mutators for active circuit realizations, this paper investigates different three port mutator circuits that can be used to implement a floating impedance

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A simple model of double-loop hysteresis behavior in memristive elements

2013Elwakil A.S.Fouda M.E.JournalRadwan A.G.

This brief investigates the double-loop hysteresis behavior in memristive elements

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The minimax approach for a class of variable order fractional differential equation

2019Hassan H.N.JournalRadwan A.G.Semary M.S.

This paper introduces an approximate solution for Liouville-Caputo variable order fractional differential equations with order 0 < ?(t) ? 1

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Improved memristor-based relaxation oscillator

2013Fouda M.E.JournalKhatib M.A.Mosad A.G.Radwan A.G.Salama K.N.

This paper presents an improved memristor-based relaxation oscillator which offers higher frequency and wider tunning range than the existing reactance-less oscillators

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RECENT PUBLICATIONS
  • Valorization of Agricultural and Marine Waste for Fabrication of Bio-Adsorbent Sheets
  • MPPT for a Partially Shaded PV System Using Accelerated Particle Swarms
  • On Fractional-order Capacitive Wireless Power Transfer System
  • Time-domain Li-ion Battery Modeling under Staircase Charging and Discharging
  • Progressive Multi-Secret Sharing of Color Images Using Lorenz Chaotic System
RESEARCH TOPICS

Bio-impedance for Food Quality Biomedical and Robotic Engineering Biomedical Engineering Chaotic & Coding Systems with Applications Chaotic Systems and Applications Design and Applications of Mem-elements Fractional-order systems Modeling and Applications of New Electrical Elements and Recent Technology Modeling of Supercapacitors and Energy Storage Elements Wastewater Treatments

AHMED RADWAN

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  • NU Main Campus: 26 July Corridor, Sheikh Zayed City
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